Java Code Examples for com.tinkerpop.blueprints.util.ExceptionFactory

The following examples show how to use com.tinkerpop.blueprints.util.ExceptionFactory. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: epcis   Source File: CachedChronoGraph.java    License: Apache License 2.0 6 votes vote down vote up
public CachedChronoEdge addEdge(final Long outVertexIdx, final Long inVertexIdx, final Long labelIdx) {
	if (labelIdx == null)
		throw ExceptionFactory.edgeLabelCanNotBeNull();

	CachedEdgeID edgeID = new CachedEdgeID(outVertexIdx, labelIdx, inVertexIdx);
	CachedChronoEdge edge = this.edges.get(edgeID);
	if (edge == null) {
		CachedChronoVertex out = getChronoVertex(outVertexIdx);
		CachedChronoVertex in = getChronoVertex(inVertexIdx);
		edge = new CachedChronoEdge(out, in, labelIdx, this);
		this.edges.put(edgeID, edge);
		out.addOutEdge(labelIdx, in);
		in.addInEdge(labelIdx, out);
	}
	return edge;
}
 
Example 2
Source Project: AccumuloGraph   Source File: AccumuloGraph.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public Vertex addVertex(Object id) {
  if (id == null) {
    id = AccumuloGraphUtils.generateId();
  }

  String idStr = id.toString();

  Vertex vert = null;
  if (!globals.getConfig().getSkipExistenceChecks()) {
    vert = getVertex(idStr);
    if (vert != null) {
      throw ExceptionFactory.vertexWithIdAlreadyExists(idStr);
    }
  }

  vert = new AccumuloVertex(globals, idStr);

  globals.getVertexWrapper().writeVertex(vert);
  globals.checkedFlush();

  globals.getCaches().cache(vert, Vertex.class);

  return vert;
}
 
Example 3
Source Project: AccumuloGraph   Source File: AccumuloGraph.java    License: Apache License 2.0 6 votes vote down vote up
@SuppressWarnings("rawtypes")
@Override
public <T extends Element> Index<T> createIndex(String indexName,
    Class<T> indexClass, Parameter... indexParameters) {
  if (indexClass == null) {
    throw ExceptionFactory.classForElementCannotBeNull();
  }
  else if (globals.getConfig().getIndexableGraphDisabled()) {
    throw new UnsupportedOperationException("IndexableGraph is disabled via the configuration");
  }

  for (Index<?> index : globals.getIndexMetadataWrapper().getIndices()) {
    if (index.getIndexName().equals(indexName)) {
      throw ExceptionFactory.indexAlreadyExists(indexName);
    }
  }

  return globals.getIndexMetadataWrapper().createIndex(indexName, indexClass);
}
 
Example 4
Source Project: AccumuloGraph   Source File: AccumuloGraph.java    License: Apache License 2.0 6 votes vote down vote up
@SuppressWarnings("rawtypes")
@Override
public <T extends Element> void createKeyIndex(String key,
    Class<T> elementClass, Parameter... indexParameters) {
  // TODO Move below to somewhere appropriate.
  if (elementClass == null) {
    throw ExceptionFactory.classForElementCannotBeNull();
  }

  // Add key to indexed keys list.
  globals.getIndexMetadataWrapper().writeKeyMetadataEntry(key, elementClass);
  globals.checkedFlush();

  // Reindex graph.
  globals.getKeyIndexTableWrapper(elementClass).rebuildIndex(key, elementClass);
  globals.getVertexKeyIndexWrapper().dump();
  globals.checkedFlush();
}
 
Example 5
Source Project: AccumuloGraph   Source File: AccumuloVertex.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Add an edge as with {@link #addEdge(String, Vertex)},
 * but with a specified edge id.
 * @param id
 * @param label
 * @param inVertex
 * @return
 */
public Edge addEdge(Object id, String label, Vertex inVertex) {
  if (label == null) {
    throw ExceptionFactory.edgeLabelCanNotBeNull();
  }
  if (id == null) {
    id = AccumuloGraphUtils.generateId();
  }

  String myID = id.toString();

  AccumuloEdge edge = new AccumuloEdge(globals, myID, inVertex, this, label);

  // TODO we arent suppose to make sure the given edge ID doesn't already
  // exist?

  globals.getEdgeWrapper().writeEdge(edge);
  globals.getVertexWrapper().writeEdgeEndpoints(edge);

  globals.checkedFlush();

  globals.getCaches().cache(edge, Edge.class);

  return edge;
}
 
Example 6
Source Project: AccumuloGraph   Source File: IndexMetadataTableWrapper.java    License: Apache License 2.0 6 votes vote down vote up
public <T extends Element> Set<String> getIndexedKeys(Class<T> elementClass) {
  if (elementClass == null) {
    throw ExceptionFactory.classForElementCannotBeNull();
  }

  IndexedItemsListParser parser = new IndexedItemsListParser(elementClass);

  Scanner scan = null;
  try {
    scan = getScanner();
    scan.fetchColumnFamily(new Text(IndexMetadataEntryType.__INDEX_KEY__.name()));

    Set<String> keys = new HashSet<String>();
    for (IndexedItem item : parser.parse(scan)) {
      keys.add(item.getKey());
    }

    return keys;

  } finally {
    if (scan != null) {
      scan.close();
    }
  }
}
 
Example 7
Source Project: org.openntf.domino   Source File: IdGraph.java    License: Apache License 2.0 6 votes vote down vote up
public <T extends Element> Set<String> getIndexedKeys(final Class<T> elementClass) {
    if (elementClass == null)
        throw ExceptionFactory.classForElementCannotBeNull();

    boolean v = isVertexClass(elementClass);
    boolean supported = ((v && supportVertexIds) || (!v && supportEdgeIds));

    if (supported) {
        Set<String> keys = new HashSet<String>();
        keys.addAll(baseGraph.getIndexedKeys(elementClass));
        keys.remove(ID);
        return keys;
    } else {
        return baseGraph.getIndexedKeys(elementClass);
    }
}
 
Example 8
Source Project: epcis   Source File: CachedChronoGraph.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Add an edge to the graph. The added edges requires a recommended identifier,
 * a tail vertex, an head vertex, and a label. Like adding a vertex, the
 * provided object identifier may be ignored by the implementation.
 * 
 * @param outVertexID:
 *            the vertex on the tail of the edge
 * @param inVertexID:
 *            the vertex on the head of the edge
 * @param label:
 *            the label associated with the edge
 * @return the newly created edge
 */
public CachedChronoEdge addEdge(final String outVertexID, final String inVertexID, final String label) {
	if (label == null)
		throw ExceptionFactory.edgeLabelCanNotBeNull();

	CachedEdgeID edgeID = new CachedEdgeID(this, outVertexID, label, inVertexID);
	CachedChronoEdge edge = this.edges.get(edgeID);
	if (edge == null) {
		edge = new CachedChronoEdge(outVertexID, inVertexID, label, this);
		this.edges.put(edgeID, edge);
		edge.getOutVertex().addOutEdge(edge);
		edge.getInVertex().addInEdge(edge);
	}
	return edge;
}
 
Example 9
Source Project: AccumuloGraph   Source File: AccumuloGraph.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public Vertex getVertex(Object id) {
  if (id == null) {
    throw ExceptionFactory.vertexIdCanNotBeNull();
  }
  String myID = id.toString();

  Vertex vertex = globals.getCaches().retrieve(myID, Vertex.class);
  if (vertex != null) {
    return vertex;
  }

  vertex = new AccumuloVertex(globals, myID);
  if (!globals.getConfig().getSkipExistenceChecks()) {
    // In addition to just an "existence" check, we will also load
    // any "preloaded" properties now, which saves us a round-trip
    // to Accumulo later.
    String[] preload = globals.getConfig().getPreloadedProperties();
    if (preload == null && !globals.getConfig().getPreloadAllProperties()) {
      preload = new String[]{};
    }

    Map<String, Object> props = globals.getVertexWrapper()
        .readProperties(vertex, preload);
    if (props == null) {
      return null;
    }

    for (Entry<String, Object> ents : props.entrySet()) {
      ((AccumuloElement) vertex).setPropertyInMemory(ents.getKey(), ents.getValue());
    }
  }

  globals.getCaches().cache(vertex, Vertex.class);

  return vertex;
}
 
Example 10
Source Project: AccumuloGraph   Source File: AccumuloGraph.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public Edge getEdge(Object id) {
  if (id == null) {
    throw ExceptionFactory.edgeIdCanNotBeNull();
  }
  String idStr = id.toString();

  Edge edge = globals.getCaches().retrieve(idStr, Edge.class);
  if (edge != null) {
    return edge;
  }

  edge = new AccumuloEdge(globals, idStr);

  if (!globals.getConfig().getSkipExistenceChecks()) {
    // In addition to just an "existence" check, we will also load
    // any "preloaded" properties now, which saves us a round-trip
    // to Accumulo later.
    String[] preload = globals.getConfig().getPreloadedProperties();
    if (preload == null) {
      preload = new String[]{};
    }

    Map<String, Object> props = globals.getEdgeWrapper()
        .readProperties(edge, preload);
    // This will be null if the element does not exist,
    // in which case return null.
    if (props == null) {
      return null;
    }

    for (Entry<String, Object> ents : props.entrySet()) {
      ((AccumuloElement) edge).setPropertyInMemory(ents.getKey(), ents.getValue());
    }
  }

  globals.getCaches().cache(edge, Edge.class);

  return edge;
}
 
Example 11
Source Project: AccumuloGraph   Source File: AccumuloGraph.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public <T extends Element> Index<T> getIndex(String indexName, Class<T> indexClass) {
  if (indexClass == null) {
    throw ExceptionFactory.classForElementCannotBeNull();
  }
  else if (globals.getConfig().getIndexableGraphDisabled()) {
    throw new UnsupportedOperationException("IndexableGraph is disabled via the configuration");
  }

  return globals.getIndexMetadataWrapper().getIndex(indexName, indexClass);
}
 
Example 12
Source Project: AccumuloGraph   Source File: AccumuloGraph.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public <T extends Element> void dropKeyIndex(String key, Class<T> elementClass) {
  // TODO Move below to somewhere appropriate.
  if (elementClass == null) {
    throw ExceptionFactory.classForElementCannotBeNull();
  }

  globals.getIndexMetadataWrapper().clearKeyMetadataEntry(key, elementClass);

  String table = null;
  if (elementClass.equals(Vertex.class)) {
    table = globals.getConfig().getVertexKeyIndexTableName();
  } else {
    table = globals.getConfig().getEdgeKeyIndexTableName();
  }
  BatchDeleter bd = null;
  try {
    bd = globals.getConfig().getConnector().createBatchDeleter(table, globals.getConfig().getAuthorizations(), globals.getConfig().getMaxWriteThreads(), globals.getConfig().getBatchWriterConfig());
    bd.setRanges(Collections.singleton(new Range()));
    bd.fetchColumnFamily(new Text(key));
    bd.delete();
  } catch (Exception e) {
    throw new AccumuloGraphException(e);
  } finally {
    if (bd != null)
      bd.close();
  }
  globals.checkedFlush();
}
 
Example 13
Source Project: AccumuloGraph   Source File: AccumuloGraphUtils.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Ensure that the given key/value don't conflict with
 * Blueprints reserved words.
 * @param key
 * @param value
 */
public static void validateProperty(String key, Object value) {
  nullCheckProperty(key, value);
  if (key.equals(StringFactory.ID)) {
    throw ExceptionFactory.propertyKeyIdIsReserved();
  } else if (key.equals(StringFactory.LABEL)) {
    throw ExceptionFactory.propertyKeyLabelIsReservedForEdges();
  } else if (value == null) {
    throw ExceptionFactory.propertyValueCanNotBeNull();
  }
}
 
Example 14
Source Project: AccumuloGraph   Source File: AccumuloGraphUtils.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Disallow null keys/values and throw appropriate
 * Blueprints exceptions.
 * @param key
 * @param value
 */
public static void nullCheckProperty(String key, Object value) {
  if (key == null) {
    throw ExceptionFactory.propertyKeyCanNotBeNull();
  } else if (value == null) {
    throw ExceptionFactory.propertyValueCanNotBeNull();
  } else if (key.trim().equals(StringFactory.EMPTY_STRING)) {
    throw ExceptionFactory.propertyKeyCanNotBeEmpty();
  }
}
 
Example 15
Source Project: AccumuloGraph   Source File: AccumuloVertex.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void remove() {
  globals.getCaches().remove(getId(), Vertex.class);

  super.removeElementFromNamedIndexes();

  // Throw exception if the element does not exist.
  if (!globals.getVertexWrapper().elementExists(id)) {
    throw ExceptionFactory.vertexWithIdDoesNotExist(getId());
  }

  // Remove properties from key/value indexes.
  Map<String, Object> props = globals.getVertexWrapper()
      .readAllProperties(this);

  for (Entry<String,Object> ent : props.entrySet()) {
    globals.getVertexKeyIndexWrapper().removePropertyFromIndex(this,
        ent.getKey(), ent.getValue());
  }

  // Remove edges incident to this vertex.
  CloseableIterable<Edge> iter = (CloseableIterable<Edge>)getEdges(Direction.BOTH);
  for (Edge edge : iter) {
    edge.remove();
  }
  iter.close();

  globals.checkedFlush();

  // Get rid of the vertex.
  globals.getVertexWrapper().deleteVertex(this);
  globals.checkedFlush();
}
 
Example 16
Source Project: AccumuloGraph   Source File: MapReduceEdge.java    License: Apache License 2.0 5 votes vote down vote up
public String getVertexId(Direction direction) throws IllegalArgumentException {
  switch (direction) {
    case IN:
      return destinationId;
    case OUT:
      return sourceId;
    case BOTH:
    default:
      throw ExceptionFactory.bothIsNotSupported();
  }
}
 
Example 17
Source Project: AccumuloGraph   Source File: IndexMetadataTableWrapper.java    License: Apache License 2.0 5 votes vote down vote up
public <T extends Element> Index<T> getIndex(String indexName,
    Class<T> indexClass) {
  IndexedItemsListParser parser = new IndexedItemsListParser();

  Scanner scan = null;
  try {
    scan = getScanner();
    scan.fetchColumnFamily(new Text(IndexMetadataEntryType.__INDEX_NAME__.name()));

    for (IndexedItem item : parser.parse(scan)) {
      if (item.getKey().equals(indexName)) {
        if (item.getElementClass().equals(indexClass)) {
          return new AccumuloIndex<T>(globals, indexName,
              indexClass);
        }
        else {
          throw ExceptionFactory.indexDoesNotSupportClass(indexName, indexClass);
        }
      }
    }
    return null;

  } finally {
    if (scan != null) {
      scan.close();
    }
  }
}
 
Example 18
Source Project: AccumuloGraph   Source File: IndexMetadataTableWrapper.java    License: Apache License 2.0 5 votes vote down vote up
public <T extends Element> Index<T> createIndex(String indexName,
    Class<T> indexClass) {
  for (Index<?> index : getIndices()) {
    if (index.getIndexName().equals(indexName)) {
      throw ExceptionFactory.indexAlreadyExists(indexName);
    }
  }

  writeIndexNameEntry(indexName, indexClass);
  return new AccumuloIndex<T>(globals, indexName, indexClass);
}
 
Example 19
Source Project: org.openntf.domino   Source File: IdGraph.java    License: Apache License 2.0 5 votes vote down vote up
public <T extends Element> void dropKeyIndex(final String key, final Class<T> elementClass) {
    if (elementClass == null)
        throw ExceptionFactory.classForElementCannotBeNull();

    boolean v = isVertexClass(elementClass);
    boolean supported = ((v && supportVertexIds) || (!v && supportEdgeIds));

    if (supported && key.equals(ID)) {
        throw new IllegalArgumentException("index key " + ID + " is reserved by IdGraph");
    } else {
        baseGraph.dropKeyIndex(key, elementClass);
    }
}
 
Example 20
Source Project: org.openntf.domino   Source File: IdGraph.java    License: Apache License 2.0 5 votes vote down vote up
public <T extends Element> void createKeyIndex(final String key,
                                               final Class<T> elementClass,
                                               final Parameter... indexParameters) {
    if (elementClass == null)
        throw ExceptionFactory.classForElementCannotBeNull();

    boolean v = isVertexClass(elementClass);
    boolean supported = ((v && supportVertexIds) || (!v && supportEdgeIds));

    if (supported && key.equals(ID)) {
        throw new IllegalArgumentException("index key " + ID + " is reserved by IdGraph");
    } else {
        baseGraph.createKeyIndex(key, elementClass, indexParameters);
    }
}
 
Example 21
Source Project: epcis   Source File: CachedChronoGraph.java    License: Apache License 2.0 3 votes vote down vote up
/**
 * Add an edge to the graph. The added edges requires a recommended identifier,
 * a tail vertex, an head vertex, and a label. Like adding a vertex, the
 * provided object identifier may be ignored by the implementation.
 * 
 * @param id:
 *            outVertexID|label|inVertexID
 */
public CachedChronoEdge getEdge(String id) {
	if (null == id)
		throw ExceptionFactory.edgeIdCanNotBeNull();
	CachedEdgeID edgeID = new CachedEdgeID(this, id);
	return this.edges.get(edgeID);
}